©EVERLY 2025 ALL RIGHTS RESERVED
Pool Operators Test Exam Questions And
Answers 100% Pass
12 Reasons to shut the pool - ANS 1. Danger to the public
2. chemical readings out of range (chlorine and pH)
3. no pool operator
4. no lifeguard/ CPR certificate
5. bathroom/ drains not working
6. pump not working for more than an hour
7. chlorinator not working
8. flow rate is too low
9. can't see the main drain (deepest part of the pool)
10. water is below the skimmer
11. no phone / landline
12. health inspector not allowed in
What is the lifeguard to swimmer ratio? - ANS 50-1
Certified Pool Operator must be how far in order for the pool to open? - ANS 15 minutes
How often should readings for pH and chlorine take place - ANS every 1 hour
, ©EVERLY 2025 ALL RIGHTS RESERVED
How long do records need to be held? - ANS 2 years at the pool and 3 years total
What is they key to a safe facility? - ANS Prevention
Most drownings of victims happen when? - ANS under 4 feet of water
under 4 feet tall
under 7 years old
What does water balance consist of? (5) - ANS pH, Total Alkalinity, Calcium Hardness,
Temperature, and Total Dissolved solids
(chlorine only disinfects water, it does not maintain sanitary qualities)
when does corrosive water happen? - ANS -when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with
-attacks metals and iron
When does scaling water happen? - ANS - when water balance is too high
-relieve its overfed condition by releasing precipitates as scale , cloudiness, and residue
what is pH? - ANS how basic or how acidic a solution is
explain the pH scale. - ANS 0-6: acidic
7: neutral
8-14: basic
what is the pH of the human eye? - ANS 7.5 --> so a pool should try to maintain 7.5 also
Pool Operators Test Exam Questions And
Answers 100% Pass
12 Reasons to shut the pool - ANS 1. Danger to the public
2. chemical readings out of range (chlorine and pH)
3. no pool operator
4. no lifeguard/ CPR certificate
5. bathroom/ drains not working
6. pump not working for more than an hour
7. chlorinator not working
8. flow rate is too low
9. can't see the main drain (deepest part of the pool)
10. water is below the skimmer
11. no phone / landline
12. health inspector not allowed in
What is the lifeguard to swimmer ratio? - ANS 50-1
Certified Pool Operator must be how far in order for the pool to open? - ANS 15 minutes
How often should readings for pH and chlorine take place - ANS every 1 hour
, ©EVERLY 2025 ALL RIGHTS RESERVED
How long do records need to be held? - ANS 2 years at the pool and 3 years total
What is they key to a safe facility? - ANS Prevention
Most drownings of victims happen when? - ANS under 4 feet of water
under 4 feet tall
under 7 years old
What does water balance consist of? (5) - ANS pH, Total Alkalinity, Calcium Hardness,
Temperature, and Total Dissolved solids
(chlorine only disinfects water, it does not maintain sanitary qualities)
when does corrosive water happen? - ANS -when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with
-attacks metals and iron
When does scaling water happen? - ANS - when water balance is too high
-relieve its overfed condition by releasing precipitates as scale , cloudiness, and residue
what is pH? - ANS how basic or how acidic a solution is
explain the pH scale. - ANS 0-6: acidic
7: neutral
8-14: basic
what is the pH of the human eye? - ANS 7.5 --> so a pool should try to maintain 7.5 also
